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Cognitive neuropsychology

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https://www.readbyqxmd.com/read/28453603/the-effect-of-insomnia-on-neuropsychological-functioning-in-patients-with-comorbid-symptoms-of-pain-fatigue-and-mood-disorders
#1
Julie Aasvik, Tore C Stiles, Astrid Woodhouse, Petter Borchgrevink, Nils Inge Landrø
Objectives: To examine if elevated symptoms of insomnia affects neuropsychological functioning in patients with concurrent symptoms of pain, fatigue, and mood disorders. Methods and results: A total of seventy-six subjects participated in this (cross-sectional) study. Based on the cut-off score guidelines from The Insomnia Severity Index subjects were assigned to either a clinical insomnia group (N = 35) or a comparison group (N = 41). Factors such as age, general cognitive functioning, and symptoms of pain, fatigue, depression, and anxiety did not differ between the groups...
April 27, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28453532/feasibility-of-computerized-working-memory-training-in-individuals-with-huntington-disease
#2
Mahsa Sadeghi, Emily Barlow-Krelina, Clare Gibbons, Komal T Shaikh, Wai Lun Alan Fung, Wendy S Meschino, Christine Till
OBJECTIVES: Huntington disease (HD) is associated with a variety of cognitive deficits, with prominent difficulties in working memory (WM). WM deficits are notably compromised in early-onset and prodromal HD patients. This study aimed to determine the feasibility of a computerized WM training program (Cogmed QM), novel to the HD population. METHODS: Nine patients, aged 26-62, with early stage HD underwent a 25-session (5 days/week for 5 weeks) WM training program (Cogmed QM)...
2017: PloS One
https://www.readbyqxmd.com/read/28453479/cognitive-domain-dispersion-association-with-alzheimer-s-disease-pathology
#3
Michael Malek-Ahmadi, Sophie Lu, YanYan Chan, Sylvia E Perez, Kewei Chen, Elliott J Mufson
Within neuropsychology, the term dispersion refers to the degree of variation in performance between different cognitive domains for an individual. Previous studies have demonstrated that cognitively normal individuals displaying higher dispersion are at an increased risk for progressing to mild cognitive impairment (MCI) and Alzheimer's disease (AD). Therefore, we determined 1) whether increased dispersion in older adults was associated with amyloid plaques and neurofibrillary tangles (NFTs) and 2) whether increased cognitive dispersion accurately differentiated MCI and AD from non-cognitively impaired (NCI) individuals...
April 28, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28453478/functional-reserve-experience-participating-in-instrumental-activities-of-daily-living-is-associated-with-gender-and-functional-independence-in-mild-cognitive-impairment
#4
Courtney Berezuk, Konstantine K Zakzanis, Joel Ramirez, Anthony C Ruocco, Jodi D Edwards, Brandy L Callahan, Sandra E Black
BACKGROUND: Gender differences in instrumental activities of daily living (IADLs) in mild cognitive impairment (MCI) and Alzheimer's disease may be explained by gender differences in IADL involvement. OBJECTIVE: We introduce a novel theoretical construct, termed functional reserve, and empirically examine gender differences in IADL experience as a proxy of this reserve. METHODS: We cross-sectionally examined men (n = 502) and women (n = 340) with MCI from the Alzheimer's Disease Neuroimaging Initiative (ADNI)...
April 25, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28453476/reduced-cerebral-blood-flow-in-mild-cognitive-impairment-assessed-using-phase-contrast-mri
#5
Reyes García de Eulate, Irene Goñi, Alvaro Galiano, Marta Vidorreta, Miriam Recio, Mario Riverol, José L Zubieta, María A Fernández-Seara
There is increasing evidence of a vascular contribution to Alzheimer's disease (AD). In some cases, prior work suggests that chronic brain hypoperfusion could play a prime pathogenic role contributing to the accumulation of amyloid-β,while other studies favor the hypothesis that vascular dysfunction and amyloid pathology are independent, although synergistic, mechanisms contributing to cognitive impairment. Vascular dysfunction can be evaluated by assessing cerebral blood flow impairment. Phase contrast velocity mapping by MRI offers a non-invasive means of quantifying the total inflow of blood to the brain...
April 25, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28453474/neuropsychological-profile-in-the-c9orf72-associated-behavioral-variant-frontotemporal-dementia
#6
Noora-Maria Suhonen, Ramona M Haanpää, Ville Korhonen, Jari Jokelainen, Anni Pitkäniemi, Anna-Leena Heikkinen, Johanna Krüger, Päivi Hartikainen, Seppo Helisalmi, Mikko Hiltunen, Tuomo Hänninen, Anne M Remes
While the C9ORF72 expansion is a major cause of behavioral variant frontotemporal dementia (bvFTD), little is known of the resultant cognitive profile. Our aim was to characterize the neuropsychological profile of the C9ORF72 associated bvFTD. We contrasted structured neuropsychological assessments of the C9ORF72 expansion carrier bvFTD patients (n = 26) with non-carrier bvFTD patients (n = 47) and those with Alzheimer's disease (AD) (n = 47). As compared to the non-carrier bvFTD patients, the C9ORF72 expansion carriers performed at a higher level in an immediate verbal memory test while showing poorer phonemic verbal fluency...
April 28, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28453473/prodromal-dementia-with-lewy-bodies-and-prodromal-alzheimer-s-disease-a-comparison-of-the-cognitive-and-clinical-profiles
#7
Dilman Sadiq, Tim Whitfield, Lean Lee, Tim Stevens, Sergi Costafreda, Zuzana Walker
BACKGROUND: Dementia must be diagnosed accurately and early in the disease course to allow pathology-specific treatments to be effective. Dementia with Lewy bodies (DLB) is often misdiagnosed as Alzheimer's disease (AD), especially at the prodromal stage. OBJECTIVE: To compare the clinical and neuropsychological profiles of mild cognitive impairment (MCI) patients who, at follow-up, progressed to AD (retrospectively AD-MCI) or DLB (retrospectively DLB-MCI) or remained MCI...
April 28, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28448160/validation-of-anam-for-cognitive-screening-in-a-mixed-clinical-sample
#8
Andrea S Vincent, Tresa M Roebuck-Spencer, L Eugenia Cox-Fuenzalida, Cady Block, James G Scott, Robert Kane
The Automated Neuropsychological Assessment Metrics (ANAM) is a library of computer based tests designed to measure cognitive function at a single time-point or longitudinally for detection of cognitive change. This study sought to validate ANAM as a cognitive screening tool for presence of confirmed neuropsychological diagnosis in an outpatient setting. Retrospective data analysis was conducted for 139 patients referred for outpatient neuropsychological assessment. Clinical diagnosis was made independent of ANAM test results and resulted in a diagnostic mix of both neurologic and psychologic etiologies...
April 27, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28447250/parent-reported-cognitive-function-is-associated-with-leukoencephalopathy-in-children-with-brain-tumors
#9
Jin-Shei Lai, Corey Bregman, Frank Zelko, Cindy Nowinski, David Cella, Jennifer J Beaumont, Stewart Goldman
PURPOSE: Cognitive dysfunction is a major concern for children with brain tumors. A valid, user-friendly screening tool could facilitate prompt referral for comprehensive neuropsychological assessments and therefore early intervention. Applications of the pediatric perceived cognitive function item bank (pedsPCF) such as computerized adaptive testing can potentially serve as such a tool given its brevity and user-friendly nature. This study aimed to evaluate whether pedsPCF was a valid indicator of cerebral compromise using the criterion of structural brain changes indicated by leukoencephalopathy grades...
April 26, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28446889/the-stroop-color-and-word-test
#10
REVIEW
Federica Scarpina, Sofia Tagini
The Stroop Color and Word Test (SCWT) is a neuropsychological test extensively used to assess the ability to inhibit cognitive interference that occurs when the processing of a specific stimulus feature impedes the simultaneous processing of a second stimulus attribute, well-known as the Stroop Effect. The aim of the present work is to verify the theoretical adequacy of the various scoring methods used to measure the Stroop effect. We present a systematic review of studies that have provided normative data for the SCWT...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28446210/cognitive-changes-in-alcohol-induced-psychotic-disorder
#11
Melany L Hendricks, R A Emsley, D G Nel, H B Thornton, G P Jordaan
AIMS: This study aimed to explore the neuro-cognitive deficits of alcohol-induced psychotic disorder as compared to the cognitive deficits of uncomplicated alcohol dependence. METHODS: Participants were recruited from the acute psychiatric admission wards of the Department of Psychiatry, University of Stellenbosch and Stikland and Tygerberg Academic Hospitals in the Western-Cape, South Africa. Participants who met DSM IV TR criteria (American Psychiatric Association...
April 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28445276/correlation-between-prefrontal-striatal-pathway-impairment-and-cognitive-impairment-in-patients-with-leukoaraiosis
#12
Shuangkun Wang, Junliang Yuan, Xiaojuan Guo, Leilei Teng, Hua Jiang, Hua Gu, Wenli Hu, Tao Jiang
Our study aimed to investigate the changes of white matter microstructure of cortico-subcortical pathways using diffusion tensor imaging (DTI), and to explore the relationship between abnormal parameters of DTI and cognitive function underlying in patients with leukoaraiosis (LA).A total of 42 patients with LA and 42 age- and sex-matched healthy controls were recruited from Beijing Chaoyang Hospital, Capital Medical University between January 2012 and December 2012. All the subjects underwent scans of conventional magnetic resonance imaging and DTI, and a comprehensive neuropsychological battery was utilized...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28444457/social-cognition-and-idiopathic-isolated-cervical-dystonia
#13
Kristína Czekóová, Petra Zemánková, Daniel J Shaw, Martin Bareš
For a long time, cervical dystonia (CD) has been characterised only by disturbances in motor functioning. Despite accumulating evidence for symptomatology in various non-motor domains, to date no study has investigated social cognition in CD. The aim of this study was to compare performance of CD patients and healthy controls in neurocognitive and socio-cognitive domain. Twenty-five non-depressed patients with CD and 26 healthy controls underwent neuropsychological testing. This involved assessment of cognitive status (general intellect, verbal memory, and executive function), and socio-cognitive functions using a Theory of mind task and self-report on empathy and emotion regulation...
April 25, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28444446/comparison-of-the-clinical-and-cognitive-features-of-genetically-positive-als-patients-from-the-largest-tertiary-center-in-serbia
#14
Ivan V Marjanović, Biljana Selak-Djokić, Stojan Perić, Milena Janković, Vladimir Arsenijević, Ivana Basta, Dragana Lavrnić, Elka Stefanova, Zorica Stević
Discovering novel mutations in C9orf72, FUS, ANG, and TDP-43 genes in ALS patients arises necessities for better clinical characterizations of these subjects. The aim is to determine clinical and cognitive profile of genetically positive Serbian ALS patients. 241 ALS patients were included in the study (17 familiar and 224 apparently sporadic). The following genes were analyzed: SOD1, C9orf72, ANG, FUS, and TDP-43. An extensive battery of classic neuropsychological tests was used in 27 ALS patients (22 SOD1 positive and 5 SOD1 negative) and 82 healthy controls (HCs)...
April 25, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28444123/a-comparison-of-four-computerized-neurocognitive-assessment-tools%C3%A2-to-a-traditional-neuropsychological-test-battery-in-service-members-with-and-without-mild-traumatic-brain-injury
#15
Wesley R Cole, Jacques P Arrieux, Brian J Ivins, Karen A Schwab, Felicia M Qashu
Objective: Computerized neurocognitive assessment tools (NCATS) are often used as a screening tool to identify cognitive deficits after mild traumatic brain injury (mTBI). However, differing methodology across studies renders it difficult to identify a consensus regarding the validity of NCATs. Thus, studies where multiple NCATs are administered in the same sample using the same methodology are warranted. Method: We investigated the validity of four NCATs: the ANAM4, CNS-VS, CogState, and ImPACT...
April 24, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28443616/effects-of-extended-cannabis-abstinence-on-cognitive-outcomes-in-cannabis-dependent-patients-with-schizophrenia-versus-non-psychiatric-controls
#16
Rachel A Rabin, Mera S Barr, Michelle S Goodman, Yarissa Herman, Konstantine K Zakzanis, Stephen J Kish, Michael Kiang, Gary Remington, Tony P George
Cross-sectional studies of the effects of cannabis on cognition in schizophrenia have produced mixed results. Heavy and persistent cannabis use in schizophrenia is a common clinical problem, and effects of controlled abstinence from cannabis in these patients have not been carefully evaluated. The present study sought to determine the effects of cannabis abstinence on cognition in patients with schizophrenia and co-occurring cannabis dependence. We utilized a 28-day cannabis abstinence paradigm to investigate the state-dependent effects of cannabis on select cognitive outcomes in cannabis dependent patients with schizophrenia and non-psychiatric controls...
April 26, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28441897/return-to-work-after-mild-to-moderate-stroke-work-satisfaction-and-predictive-factors
#17
Jet van der Kemp, Willeke J Kruithof, Tanja C W Nijboer, Coen A M van Bennekom, Caroline van Heugten, Johanna M A Visser-Meily
A large proportion of stroke patients are unable to return to work (RTW), although figures vary greatly. A total of 121 mild-to-moderate stroke patients, who had a paid job at the time of their stroke were included (a) to quantify RTW and work satisfaction one-year post-stroke (using the Utrecht Scale for Evaluation of Rehabilitation-Participation) and (b) to determine factors predicting RTW post-stroke, based on stroke-related, personal and neuropsychological variables. Half of the patients were not in work (28%) or were working less (22%) than pre-stroke...
April 26, 2017: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/28441649/home-based-physical-behavior-in-late-stage-parkinson-disease-dementia-differences-between-cognitive-subtypes
#18
Bernhard Cerff, Walter Maetzler, Patricia Sulzer, Malte Kampmeyer, Jos Prinzen, Markus A Hobert, Dominik Blum, Rob van Lummel, Silvia Del Din, Susanne Gräber, Daniela Berg, Inga Liepelt-Scarfone
BACKGROUND: For the early diagnosis of Parkinson disease dementia (PDD), objective home-based tools are needed to quantify even mild stages of dysfunction of the activities of daily living (ADL). OBJECTIVES: In this pilot study, home-based physical behavior was assessed to examine whether it is possible to distinguish mild cognitive impairment (PD-MCI) from PDD. METHODS: Fifty-five patients with mild to severe Parkinson disease (PD) participated in this cross-sectional study...
April 26, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28440817/effects-of-dopamine-d2-d3-receptor-antagonism-on-human-planning-and-spatial-working-memory
#19
M Naef, U Müller, A Linssen, L Clark, T W Robbins, C Eisenegger
Psychopharmacological studies in humans suggest important roles for dopamine (DA) D2 receptors in human executive functions, such as cognitive planning and spatial working memory (SWM). However, studies that investigate an impairment of such functions using the selective DA D2/3 receptor antagonist sulpiride have yielded inconsistent results, perhaps because relatively low doses were used. We believe we report for the first time, the effects of a higher (800 mg p.o.) single dose of sulpiride as well as of genetic variation in the DA receptor D2 gene (DA receptor D2 Taq1A polymorphism), on planning and working memory...
April 25, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28440815/15q11-2-cnv-affects-cognitive-structural-and-functional-correlates-of-dyslexia-and-dyscalculia
#20
M O Ulfarsson, G B Walters, O Gustafsson, S Steinberg, A Silva, O M Doyle, M Brammer, D F Gudbjartsson, S Arnarsdottir, G A Jonsdottir, R S Gisladottir, G Bjornsdottir, H Helgason, L M Ellingsen, J G Halldorsson, E Saemundsen, B Stefansdottir, L Jonsson, V K Eiriksdottir, G R Eiriksdottir, G H Johannesdottir, U Unnsteinsdottir, B Jonsdottir, B B Magnusdottir, P Sulem, U Thorsteinsdottir, E Sigurdsson, D Brandeis, A Meyer-Lindenberg, H Stefansson, K Stefansson
Several copy number variants have been associated with neuropsychiatric disorders and these variants have been shown to also influence cognitive abilities in carriers unaffected by psychiatric disorders. Previously, we associated the 15q11.2(BP1-BP2) deletion with specific learning disabilities and a larger corpus callosum. Here we investigate, in a much larger sample, the effect of the 15q11.2(BP1-BP2) deletion on cognitive, structural and functional correlates of dyslexia and dyscalculia. We report that the deletion confers greatest risk of the combined phenotype of dyslexia and dyscalculia...
April 25, 2017: Translational Psychiatry
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